Filter
Top Products
5
IV. Service Diagnosis .......................................................................................................... 58
A. Ice Production Check .................................................................................................. 58
B. Diagnostic Procedure ................................................................................................. 58
C. Control Board Check .................................................................................................. 61
D. Bin Control Check ....................................................................................................... 66
1. Infrared Sensor Check .......................................................................................... 66
. Mechanical Bin Control Check .............................................................................. 67
E. Float Switch Check and Cleaning ............................................................................... 69
1. Float Switch Check ................................................................................................ 69
. Float Switch Cleaning ............................................................................................ 69
F. Diagnostic Charts ........................................................................................................ 71
1. No Ice Production .................................................................................................. 71
. Low Ice Production ................................................................................................ 74
3. Other ..................................................................................................................... 75
V. Removal and Replacement of Components ................................................................... 76
A. Service for Refrigerant Lines ...................................................................................... 76
1. Refrigerant Recovery (except MLH model) ........................................................... 76
. Brazing .................................................................................................................. 77
3. Evacuation and Recharge (R-404A) (except MLH model) .................................... 77
4. Refrigerant Recovery, Evacuation, and Recharge - MLH Model (low side, parallel
rack system) .......................................................................................................... 78
B. Removal and Replacement of Compressor ................................................................ 79
C. Removal and Replacement of Expansion Valve......................................................... 80
D. Removal and Replacement of Evaporator Assembly Components ............................ 81
1. Upper Bearing Wear Check .................................................................................. 8
. Removal and Replacement of Cutter .................................................................... 8
3. Removal and Replacement of Extruding Head ..................................................... 83
4. Removal and Replacement of Auger .................................................................... 83
5. Removal and Replacement of Evaporator ............................................................ 84
6. Removal and Replacement of Mechanical Seal and Lower Housing ................... 85
7. Removal and Replacement of Gear Motor ............................................................ 86
E. Removal and Replacement of Air-Cooled Condenser ................................................ 87
F. Removal and Replacement of Water-Cooled Condenser ........................................... 88
G. Removal and Replacement of Water Regulating Valve - Water-Cooled Model ......... 89
H. Adjustment of Water Regulating Valve - Water-Cooled Model ................................... 90
I. Removal and Replacement of Fan Motor (air-cooled and remote air-cooled models) . 90
J. Removal and Replacement of Headmaster (Condensing Pressure Regulator - C.P.R.)
- Remote Air-Cooled Model ...................................................................................... 91
K. Removal and Replacement of Liquid Line Valve or Suction Line Valve - MLH Model
(low side, parallel rack system) ................................................................................. 9
L. Removal and Replacement of Evaporator Pressure Regulator (E.P.R.) MLH Model
(low side, parallel rack system) ................................................................................. 93
M. Removal and Replacement of Water Valves.............................................................. 93
1. Inlet Water Valve ................................................................................................... 93
. Drain Valve ............................................................................................................ 94
N. Removal and Replacement of Control Board ............................................................. 95